生物素, D-生物素, 维生素H | |
[ 货物名称 ]:生物素, D-生物素, 维生素H SPECIFICATION ITEM SPECIFICATIONCHARACTERSA WHITE CRYSTALLINE POWDER OR COLOURLESS CRYSTALSIDENTIFICATIONA: IR B: HPLC C: COLOR REACTIONAPPEARANCE OF SOLUTIONCLEAR AND COLOURLESSSPECIFIC OPTICAL ROTATION+89°- +93°RELATED SUBSTANCESMEETS THE REQUIREMENTSHEAVY METALS≤10PPMLOSS ON DRYING≤1.0%SULFATED ASH≤0.1%ASSAY98.5% - 101.0%STORAGESTORE PROTECTED FROM LIGHT |